Files
UnrealEngineUWP/Engine/Source/Developer/GameplayDebugger/Private/GameplayDebuggingHUDComponent.cpp
Josh Markiewicz c18a424666 Weekly Fort Dev -> Main integration from UE4-Fortnite-CL-2245134
MCP
 "app" : "fortnite",
  "moduleName" : "Fortnite-PublicService",
  "branch" : "TRUNK",
  "build" : "306",
  "cln" : "2245028",
  "version" : "UNKNOWN"

[CL 2247600 by Josh Markiewicz in Main branch]
2014-08-07 17:34:29 -04:00

782 lines
25 KiB
C++

// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
/*=============================================================================
HUD.cpp: Heads up Display related functionality
=============================================================================*/
#include "GameplayDebuggerPrivate.h"
#include "Net/UnrealNetwork.h"
#include "GameplayDebuggingComponent.h"
#include "GameplayDebuggingHUDComponent.h"
#include "GameplayDebuggingControllerComponent.h"
#include "CanvasItem.h"
#include "AI/Navigation/NavigationSystem.h"
#include "Engine/Texture2D.h"
#include "Regex.h"
#include "DrawDebugHelpers.h"
#include "TimerManager.h" // Game play timers
DEFINE_LOG_CATEGORY_STATIC(LogHUD, Log, All);
AGameplayDebuggingHUDComponent::AGameplayDebuggingHUDComponent(const class FPostConstructInitializeProperties& PCIP)
: Super(PCIP)
, EngineShowFlags(EShowFlagInitMode::ESFIM_Game)
{
World = NULL;
#if WITH_EDITORONLY_DATA
SetIsTemporarilyHiddenInEditor(true);
SetActorHiddenInGame(false);
bHiddenEdLevel = true;
bHiddenEdLayer = true;
bHiddenEd = true;
bEditable = false;
#endif
}
void AGameplayDebuggingHUDComponent::Render()
{
EngineShowFlags = Canvas && Canvas->SceneView && Canvas->SceneView->Family ? Canvas->SceneView->Family->EngineShowFlags : FEngineShowFlags(GIsEditor ? EShowFlagInitMode::ESFIM_Editor : EShowFlagInitMode::ESFIM_Game);
PrintAllData();
}
AGameplayDebuggingReplicator* AGameplayDebuggingHUDComponent::GetDebuggingReplicator()
{
if (CachedDebuggingReplicator.IsValid() && CachedDebuggingReplicator->GetLocalPlayerOwner() == PlayerOwner)
{
return CachedDebuggingReplicator.Get();
}
for (FActorIterator It(GetWorld()); It; ++It)
{
AActor* A = *It;
if (A && A->IsA(AGameplayDebuggingReplicator::StaticClass()) && !A->IsPendingKill())
{
AGameplayDebuggingReplicator* Replicator = Cast<AGameplayDebuggingReplicator>(A);
if (Replicator->GetLocalPlayerOwner() == PlayerOwner)
{
CachedDebuggingReplicator = Replicator;
return Replicator;
}
}
}
return NULL;
}
void AGameplayDebuggingHUDComponent::GetKeyboardDesc(TArray<FDebugCategoryView>& Categories)
{
Categories.Add(FDebugCategoryView(EAIDebugDrawDataView::NavMesh, "NavMesh")); // Num0
Categories.Add(FDebugCategoryView(EAIDebugDrawDataView::Basic, "Basic"));
Categories.Add(FDebugCategoryView(EAIDebugDrawDataView::BehaviorTree, "Behavior"));
Categories.Add(FDebugCategoryView(EAIDebugDrawDataView::EQS, "EQS"));
Categories.Add(FDebugCategoryView(EAIDebugDrawDataView::Perception, "Perception"));
}
void AGameplayDebuggingHUDComponent::PrintAllData()
{
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
DefaultContext = FPrintContext(GEngine->GetSmallFont(), Canvas, 20, 20);
DefaultContext.FontRenderInfo.bEnableShadow = true;
if (DefaultContext.Canvas != NULL)
{
float XL, YL;
const FString ToolName = FString::Printf(TEXT("Gameplay Debug Tool [Timestamp: %05.03f]"), GetWorld()->TimeSeconds);
CalulateStringSize(DefaultContext, DefaultContext.Font, ToolName, XL, YL);
PrintString(DefaultContext, FColorList::White, ToolName, DefaultContext.Canvas->ClipX / 2.0f - XL / 2.0f, 0);
}
const float MenuX = DefaultContext.CursorX;
const float MenuY = DefaultContext.CursorY;
UGameplayDebuggingComponent* DebugComponent = NULL;
if (GetDebuggingReplicator())
{
DebugComponent = GetDebuggingReplicator()->GetDebugComponent();
}
if (DebugComponent && DebugComponent->GetSelectedActor())
{
APlayerController* const MyPC = Cast<APlayerController>(PlayerOwner);
DrawDebugComponentData(MyPC, DebugComponent);
}
if (!EngineShowFlags.DebugAI)
{
DrawMenu(MenuX, MenuY, DebugComponent);
}
#endif
}
void AGameplayDebuggingHUDComponent::DrawMenu(const float X, const float Y, class UGameplayDebuggingComponent* DebugComponent)
{
const float OldX = DefaultContext.CursorX;
const float OldY = DefaultContext.CursorY;
if (DefaultContext.Canvas != NULL)
{
TArray<FDebugCategoryView> Categories;
GetKeyboardDesc(Categories);
UFont* OldFont = DefaultContext.Font;
DefaultContext.Font = GEngine->GetMediumFont();
TArray<float> CategoriesWidth;
CategoriesWidth.AddZeroed(Categories.Num());
float TotalWidth = 0.0f, MaxHeight = 0.0f;
FString HeaderDesc(TEXT("Tap [\"] to close, use Numpad to toggle categories"));
float HeaderWidth = 0.0f;
CalulateStringSize(DefaultContext, DefaultContext.Font, HeaderDesc, HeaderWidth, MaxHeight);
for (int32 i = 0; i < Categories.Num(); i++)
{
Categories[i].Desc = FString::Printf(TEXT("%d:%s "), i, *Categories[i].Desc);
float StrHeight = 0.0f;
CalulateStringSize(DefaultContext, DefaultContext.Font, Categories[i].Desc, CategoriesWidth[i], StrHeight);
TotalWidth += CategoriesWidth[i];
MaxHeight = FMath::Max(MaxHeight, StrHeight);
}
TotalWidth = FMath::Max(TotalWidth, HeaderWidth);
FCanvasTileItem TileItem(FVector2D(10, 10), GWhiteTexture, FVector2D(TotalWidth + 20, MaxHeight + 20), FColor(0, 0, 0, 20));
TileItem.BlendMode = SE_BLEND_Translucent;
DrawItem(DefaultContext, TileItem, 0, 0);
PrintString(DefaultContext, FColorList::LightBlue, HeaderDesc, 2, 2);
float XPos = 20.0f;
for (int32 i = 0; i < Categories.Num(); i++)
{
const bool bIsActive = GameplayDebuggerSettings(GetDebuggingReplicator()).CheckFlag(Categories[i].View) ? true : false;
const bool bIsDisabled = Categories[i].View == EAIDebugDrawDataView::NavMesh ? false : (DebugComponent && DebugComponent->GetSelectedActor() ? false: true);
PrintString(DefaultContext, bIsDisabled ? (bIsActive ? FColorList::DarkGreen : FColorList::LightGrey) : (bIsActive ? FColorList::Green : FColorList::White), Categories[i].Desc, XPos, 20);
XPos += CategoriesWidth[i];
}
DefaultContext.Font = OldFont;
}
if ((!DebugComponent || !DebugComponent->GetSelectedActor()) && GetWorld()->GetNetMode() == NM_Client)
{
PrintString(DefaultContext, "\n{red}No Pawn selected - waiting for data to replicate from server. {green}Press and hold \" to select Pawn \n");
}
DefaultContext.CursorX = OldX;
DefaultContext.CursorY = OldY;
}
void AGameplayDebuggingHUDComponent::DrawDebugComponentData(APlayerController* MyPC, class UGameplayDebuggingComponent *DebugComponent)
{
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
AActor* SelectedActor = DebugComponent->GetSelectedActor();
const FVector ScreenLoc = SelectedActor ? ProjectLocation(DefaultContext, SelectedActor->GetActorLocation() + FVector(0.f, 0.f, SelectedActor->GetSimpleCollisionHalfHeight())) : FVector::ZeroVector;
OverHeadContext = FPrintContext(GEngine->GetSmallFont(), Canvas, ScreenLoc.X, ScreenLoc.Y);
FGameplayDebuggerSettings DebuggerSettings = GameplayDebuggerSettings(GetDebuggingReplicator());
if (DebuggerSettings.CheckFlag(EAIDebugDrawDataView::OverHead) || EngineShowFlags.DebugAI)
{
DrawOverHeadInformation(MyPC, DebugComponent);
}
if (DebuggerSettings.CheckFlag(EAIDebugDrawDataView::NavMesh))
{
DrawNavMeshSnapshot(MyPC, DebugComponent);
}
if (DebugComponent->GetSelectedActor() && DebugComponent->IsSelected())
{
if (DebuggerSettings.CheckFlag(EAIDebugDrawDataView::Basic) || EngineShowFlags.DebugAI)
{
DrawBasicData(MyPC, DebugComponent);
}
if (DebuggerSettings.CheckFlag(EAIDebugDrawDataView::BehaviorTree))
{
DrawBehaviorTreeData(MyPC, DebugComponent);
}
if (DebuggerSettings.CheckFlag(EAIDebugDrawDataView::EQS))
{
bool bEnabledEnvironmentQueryEd = true;
if (GConfig)
{
GConfig->GetBool(TEXT("EnvironmentQueryEd"), TEXT("EnableEnvironmentQueryEd"), bEnabledEnvironmentQueryEd, GEngineIni);
}
if (bEnabledEnvironmentQueryEd)
{
DrawEQSData(MyPC, DebugComponent);
}
}
if (DebuggerSettings.CheckFlag(EAIDebugDrawDataView::Perception) || EngineShowFlags.DebugAI)
{
DrawPerception(MyPC, DebugComponent);
}
DrawGameSpecificView(MyPC, DebugComponent);
}
#endif //!(UE_BUILD_SHIPPING || UE_BUILD_TEST)
}
void AGameplayDebuggingHUDComponent::DrawPath(APlayerController* MyPC, class UGameplayDebuggingComponent *DebugComponent)
{
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
static const FColor Grey(100,100,100);
const int32 NumPathVerts = DebugComponent->PathPoints.Num();
UWorld* World = GetWorld();
for (int32 VertIdx=0; VertIdx < NumPathVerts-1; ++VertIdx)
{
FVector const VertLoc = DebugComponent->PathPoints[VertIdx] + NavigationDebugDrawing::PathOffset;
DrawDebugSolidBox(World, VertLoc, NavigationDebugDrawing::PathNodeBoxExtent, Grey, false);
// draw line to next loc
FVector const NextVertLoc = DebugComponent->PathPoints[VertIdx+1] + NavigationDebugDrawing::PathOffset;
DrawDebugLine(World, VertLoc, NextVertLoc, Grey, false
, -1.f, 0
, NavigationDebugDrawing::PathLineThickness);
}
// draw last vert
if (NumPathVerts > 0)
{
DrawDebugBox(World, DebugComponent->PathPoints[NumPathVerts-1] + NavigationDebugDrawing::PathOffset, FVector(15.f), Grey, false);
}
#endif //!(UE_BUILD_SHIPPING || UE_BUILD_TEST)
}
void AGameplayDebuggingHUDComponent::DrawOverHeadInformation(APlayerController* PC, class UGameplayDebuggingComponent *DebugComponent)
{
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
APawn* MyPawn = Cast<APawn>(DebugComponent->GetSelectedActor());
const FVector Loc3d = MyPawn ? MyPawn->GetActorLocation() + FVector(0.f, 0.f, MyPawn->GetSimpleCollisionHalfHeight()) : FVector::ZeroVector;
if (OverHeadContext.Canvas->SceneView == NULL || OverHeadContext.Canvas->SceneView->ViewFrustum.IntersectBox(Loc3d, FVector::ZeroVector) == false)
{
return;
}
const FVector ScreenLoc = OverHeadContext.Canvas->Project(Loc3d);
static const FVector2D FontScale(1.f, 1.f);
UFont* Font = GEngine->GetSmallFont();
float TextXL = 0.f;
float YL = 0.f;
FString ObjectName = FString::Printf( TEXT("{yellow}%s {white}(%s)"), *DebugComponent->ControllerName, *DebugComponent->PawnName);
CalulateStringSize(OverHeadContext, OverHeadContext.Font, ObjectName, TextXL, YL);
bool bDrawFullOverHead = DebugComponent->bIsSelectedForDebugging;
float IconXLocation = OverHeadContext.DefaultX;
float IconYLocation = OverHeadContext.DefaultY;
if (bDrawFullOverHead)
{
OverHeadContext.DefaultX -= (0.5f*TextXL*FontScale.X);
OverHeadContext.DefaultY -= (1.2f*YL*FontScale.Y);
IconYLocation = OverHeadContext.DefaultY;
OverHeadContext.CursorX = OverHeadContext.DefaultX;
OverHeadContext.CursorY = OverHeadContext.DefaultY;
}
if (DebugComponent->DebugIcon.Len() > 0 )
{
UTexture2D* RegularIcon = (UTexture2D*)StaticLoadObject(UTexture2D::StaticClass(), NULL, *DebugComponent->DebugIcon, NULL, LOAD_None, NULL);
if (RegularIcon)
{
FCanvasIcon Icon = UCanvas::MakeIcon(RegularIcon);
if (Icon.Texture)
{
const float DesiredIconSize = bDrawFullOverHead ? 32.f : 16.f;
DrawIcon(OverHeadContext, FColor::White, Icon, IconXLocation, IconYLocation - DesiredIconSize, DesiredIconSize / Icon.Texture->GetSurfaceWidth());
}
}
}
if (bDrawFullOverHead)
{
OverHeadContext.FontRenderInfo.bEnableShadow = bDrawFullOverHead;
PrintString(OverHeadContext, bDrawFullOverHead ? FColor::White : FColor(255, 255, 255, 128), FString::Printf(TEXT("%s\n"), *ObjectName));
OverHeadContext.FontRenderInfo.bEnableShadow = false;
}
APlayerController* const MyPC = Cast<APlayerController>(PlayerOwner);
UGameplayDebuggingControllerComponent* GDC = MyPC ? MyPC->FindComponentByClass<UGameplayDebuggingControllerComponent>() : NULL;
if (EngineShowFlags.DebugAI)
{
PrintString(OverHeadContext, FString::Printf(TEXT("{red}%s\n"), *DebugComponent->PathErrorString));
DrawPath(PC, DebugComponent);
}
#endif //!(UE_BUILD_SHIPPING || UE_BUILD_TEST)
}
void AGameplayDebuggingHUDComponent::DrawBasicData(APlayerController* PC, class UGameplayDebuggingComponent *DebugComponent)
{
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
PrintString(DefaultContext, TEXT("\n{R=0,G=255,B=0,A=255}BASIC DATA\n"));
UFont* OldFont = DefaultContext.Font;
DefaultContext.Font = GEngine->GetMediumFont();
PrintString(DefaultContext, FString::Printf(TEXT("Controller Name: {yellow}%s\n"), *DebugComponent->ControllerName));
DefaultContext.Font = OldFont;
PrintString(DefaultContext, FString::Printf(TEXT("Pawn Name: {yellow}%s, {white}Pawn Class: {yellow}%s\n"), *DebugComponent->PawnName, *DebugComponent->PawnClass));
if (DebugComponent->PathErrorString.Len() > 0)
{
PrintString(DefaultContext, FString::Printf(TEXT("{red}%s\n"), *DebugComponent->PathErrorString));
}
if (DebugComponent->IsSelected())
{
DrawPath(PC, DebugComponent);
}
#endif //!(UE_BUILD_SHIPPING || UE_BUILD_TEST)
}
void AGameplayDebuggingHUDComponent::DrawBehaviorTreeData(APlayerController* PC, class UGameplayDebuggingComponent *DebugComponent)
{
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
PrintString(DefaultContext, TEXT("\n{green}BEHAVIOR TREE\n"));
PrintString(DefaultContext, FString::Printf(TEXT("Brain Component: {yellow}%s\n"), *DebugComponent->BrainComponentName));
#endif //!(UE_BUILD_SHIPPING || UE_BUILD_TEST)
}
void AGameplayDebuggingHUDComponent::DrawEQSData(APlayerController* PC, class UGameplayDebuggingComponent *DebugComponent)
{
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST) && WITH_EQS
PrintString(DefaultContext, TEXT("\n{green}EQS\n"));
if (DebugComponent->EQSRepData.Num())
{
PrintString(DefaultContext, FString::Printf(TEXT("{white}Timestamp: {yellow}%.3f (%.2fs ago)\n")
, DebugComponent->EQSTimestamp, PC->GetWorld()->GetTimeSeconds() - DebugComponent->EQSTimestamp
));
PrintString(DefaultContext, FString::Printf(TEXT("{white}Query Name: {yellow}%s\n")
, *DebugComponent->EQSName
));
PrintString(DefaultContext, FString::Printf(TEXT("{white}Query ID: {yellow}%d\n")
, DebugComponent->EQSId
));
}
if (DebugComponent->EQSLocalData.NumValidItems > 0)
{
// draw test weights for best X items
const int32 NumItems = DebugComponent->EQSLocalData.Items.Num();
const int32 NumTests = DebugComponent->EQSLocalData.Tests.Num();
const float RowHeight = 20.0f;
FCanvasTileItem TileItem(FVector2D(0, 0), GWhiteTexture, FVector2D(Canvas->SizeX, RowHeight), FLinearColor::Black);
FLinearColor ColorOdd(0, 0, 0, 0.6f);
FLinearColor ColorEven(0, 0, 0.4f, 0.4f);
TileItem.BlendMode = SE_BLEND_Translucent;
// table header
{
DefaultContext.CursorY += RowHeight;
const float HeaderY = DefaultContext.CursorY + 3.0f;
TileItem.SetColor(ColorOdd);
DrawItem(DefaultContext, TileItem, 0, DefaultContext.CursorY);
float HeaderX = DefaultContext.CursorX;
PrintString(DefaultContext, FColor::Yellow, FString::Printf(TEXT("Num items: %d"), DebugComponent->EQSLocalData.NumValidItems), HeaderX, HeaderY);
HeaderX += 200.0f;
PrintString(DefaultContext, FColor::White, TEXT("Score"), HeaderX, HeaderY);
HeaderX += 50.0f;
for (int32 TestIdx = 0; TestIdx < NumTests; TestIdx++)
{
PrintString(DefaultContext, FColor::White, FString::Printf(TEXT("Test %d"), TestIdx), HeaderX, HeaderY);
HeaderX += 100.0f;
}
DefaultContext.CursorY += RowHeight;
}
// valid items
for (int32 Idx = 0; Idx < NumItems; Idx++)
{
TileItem.SetColor((Idx % 2) ? ColorOdd : ColorEven);
DrawItem(DefaultContext, TileItem, 0, DefaultContext.CursorY);
DrawEQSItemDetails(Idx, DebugComponent);
DefaultContext.CursorY += RowHeight;
}
// test description
DefaultContext.CursorY += RowHeight;
for (int32 TestIdx = 0; TestIdx < NumTests; TestIdx++)
{
FString TestDesc = FString::Printf(TEXT("{white}Test %d = {yellow}%s {LightBlue}(%s)\n"), TestIdx,
*DebugComponent->EQSLocalData.Tests[TestIdx].ShortName,
*DebugComponent->EQSLocalData.Tests[TestIdx].Detailed);
PrintString(DefaultContext, TestDesc);
}
}
#endif //!(UE_BUILD_SHIPPING || UE_BUILD_TEST)
}
void AGameplayDebuggingHUDComponent::DrawEQSItemDetails(int32 ItemIdx, class UGameplayDebuggingComponent *DebugComponent)
{
#if USE_EQS_DEBUGGER && WITH_EQS
const float PosY = DefaultContext.CursorY + 1.0f;
float PosX = DefaultContext.CursorX;
const EQSDebug::FItemData& ItemData = DebugComponent->EQSLocalData.Items[ItemIdx];
PrintString(DefaultContext, FColor::White, ItemData.Desc, PosX, PosY);
PosX += 200.0f;
FString ScoreDesc = FString::Printf(TEXT("%.2f"), ItemData.TotalScore);
PrintString(DefaultContext, FColor::Yellow, ScoreDesc, PosX, PosY);
PosX += 50.0f;
FCanvasTileItem ActiveTileItem(FVector2D(0, PosY + 15.0f), GWhiteTexture, FVector2D(0, 2.0f), FLinearColor::Yellow);
FCanvasTileItem BackTileItem(FVector2D(0, PosY + 15.0f), GWhiteTexture, FVector2D(0, 2.0f), FLinearColor(0.1f, 0.1f, 0.1f));
const float BarWidth = 80.0f;
const int32 NumTests = ItemData.TestScores.Num();
float TotalWeightedScore = 0.0f;
for (int32 Idx = 0; Idx < NumTests; Idx++)
{
TotalWeightedScore += ItemData.TestScores[Idx];
}
for (int32 Idx = 0; Idx < NumTests; Idx++)
{
const float ScoreW = ItemData.TestScores[Idx];
const float ScoreN = ItemData.TestValues[Idx];
FString DescScoreW = FString::Printf(TEXT("%.2f"), ScoreW);
FString DescScoreN = (ScoreN == UEnvQueryTypes::SkippedItemValue) ? TEXT("SKIP") : FString::Printf(TEXT("%.2f"), ScoreN);
FString TestDesc = DescScoreW + FString(" {LightBlue}") + DescScoreN;
float Pct = (TotalWeightedScore > KINDA_SMALL_NUMBER) ? (ScoreW / TotalWeightedScore) : 0.0f;
ActiveTileItem.Position.X = PosX;
ActiveTileItem.Size.X = BarWidth * Pct;
BackTileItem.Position.X = PosX + ActiveTileItem.Size.X;
BackTileItem.Size.X = FMath::Max(BarWidth * (1.0f - Pct), 0.0f);
DrawItem(DefaultContext, ActiveTileItem, ActiveTileItem.Position.X, ActiveTileItem.Position.Y);
DrawItem(DefaultContext, BackTileItem, BackTileItem.Position.X, BackTileItem.Position.Y);
PrintString(DefaultContext, FColor::Green, TestDesc, PosX, PosY);
PosX += 100.0f;
}
#endif
}
void AGameplayDebuggingHUDComponent::DrawPerception(APlayerController* PC, class UGameplayDebuggingComponent *DebugComponent)
{
}
void AGameplayDebuggingHUDComponent::DrawNavMeshSnapshot(APlayerController* PC, class UGameplayDebuggingComponent *DebugComponent)
{
#if !(UE_BUILD_SHIPPING || UE_BUILD_TEST)
if (DebugComponent && DebugComponent->NavmeshRepData.Num())
{
float TimeLeft = 0.0f;
UGameplayDebuggingControllerComponent* GDC = PC ? PC->FindComponentByClass<UGameplayDebuggingControllerComponent>() : NULL;
if (GDC)
{
TimeLeft = GetWorldTimerManager().GetTimerRemaining(GDC, &UGameplayDebuggingControllerComponent::UpdateNavMeshTimer);
}
FString NextUpdateDesc;
if (TimeLeft > 0.0f)
{
NextUpdateDesc = FString::Printf(TEXT(", next update: {yellow}%.1fs"), TimeLeft);
}
PrintString(DefaultContext, FString::Printf(TEXT("\n\n{green}Showing NavMesh (%.1fkB)%s\n"),
DebugComponent->NavmeshRepData.Num() / 1024.0f, *NextUpdateDesc));
}
#endif //!(UE_BUILD_SHIPPING || UE_BUILD_TEST)
}
//////////////////////////////////////////////////////////////////////////
void AGameplayDebuggingHUDComponent::PrintString(FPrintContext& Context, const FString& InString )
{
class FParserHelper
{
enum TokenType
{
OpenTag,
CloseTag,
NewLine,
EndOfString,
RegularChar,
};
enum Tag
{
DefinedColor,
OtherColor,
ErrorTag,
};
uint8 ReadToken()
{
uint8 OutToken = RegularChar;
TCHAR ch = Index < DataString.Len() ? DataString[Index] : '\0';
switch(ch)
{
case '\0':
OutToken = EndOfString;
break;
case '{':
OutToken = OpenTag;
Index++;
break;
case '}':
OutToken = CloseTag;
Index++;
break;
case '\n':
OutToken = NewLine;
Index++;
break;
default:
OutToken = RegularChar;
break;
}
return OutToken;
}
uint32 ParseTag( FString& OutData )
{
FString TagString;
int32 OryginalIndex = Index;
uint8 token = ReadToken();
while (token != EndOfString && token != CloseTag)
{
if (token == RegularChar)
{
TagString.AppendChar(DataString[Index++]);
}
token = ReadToken();
}
int OutTag = ErrorTag;
if (token != CloseTag)
{
Index = OryginalIndex;
OutData = FString::Printf( TEXT("{%s"), *TagString);
OutData.AppendChar(DataString[Index-1]);
return OutTag;
}
if (GColorList.IsValidColorName(*TagString.ToLower()))
{
OutTag = DefinedColor;
OutData = TagString;
}
else
{
FColor Color;
if (Color.InitFromString(TagString))
{
OutTag = OtherColor;
OutData = TagString;
}
else
{
OutTag = ErrorTag;
OutData = FString::Printf( TEXT("{%s"), *TagString);
OutData.AppendChar(DataString[Index-1]);
}
}
//Index++;
return OutTag;
}
struct StringNode
{
FString String;
FColor Color;
bool bNewLine;
StringNode() : Color(FColor::White), bNewLine(false) {}
};
int32 Index;
FString DataString;
public:
TArray<StringNode> Strings;
void ParseString(const FString& StringToParse)
{
Index = 0;
DataString = StringToParse;
Strings.Add(StringNode());
if (Index >= DataString.Len())
return;
uint8 Token = ReadToken();
while (Token != EndOfString)
{
switch (Token)
{
case RegularChar:
Strings[Strings.Num()-1].String.AppendChar( DataString[Index++] );
break;
case NewLine:
Strings.Add(StringNode());
Strings[Strings.Num()-1].bNewLine = true;
Strings[Strings.Num()-1].Color = Strings[Strings.Num()-2].Color;
break;
case EndOfString:
break;
case OpenTag:
{
FString OutData;
switch (ParseTag(OutData))
{
case DefinedColor:
{
int32 i = Strings.Add(StringNode());
Strings[i].Color = GColorList.GetFColorByName(*OutData.ToLower());
}
break;
case OtherColor:
{
FColor NewColor;
if (NewColor.InitFromString( OutData ))
{
int32 i = Strings.Add(StringNode());
Strings[i].Color = NewColor;
break;
}
}
default:
Strings[Strings.Num()-1].String += OutData;
break;
}
}
break;
}
Token = ReadToken();
}
}
};
FParserHelper Helper;
Helper.ParseString( InString );
float YMovement = 0;
float XL = 0.f, YL = 0.f;
CalulateStringSize(Context, Context.Font, TEXT("X"), XL, YL);
for (int32 Index=0; Index < Helper.Strings.Num(); ++Index)
{
if (Index > 0 && Helper.Strings[Index].bNewLine)
{
if (Context.Canvas != NULL && YMovement + Context.CursorY > Context.Canvas->ClipY)
{
Context.DefaultX += Context.Canvas->ClipX / 2;
Context.CursorX = Context.DefaultX;
Context.CursorY = Context.DefaultY;
YMovement = 0;
}
YMovement += YL;
Context.CursorX = Context.DefaultX;
}
const FString Str = Helper.Strings[Index].String;
if (Str.Len() > 0 && Context.Canvas != NULL)
{
float SizeX, SizeY;
CalulateStringSize(Context, Context.Font, Str, SizeX, SizeY);
FCanvasTextItem TextItem( FVector2D::ZeroVector, FText::FromString(Str), Context.Font, FLinearColor::White );
if (Context.FontRenderInfo.bEnableShadow)
{
TextItem.EnableShadow( FColor::Black, FVector2D( 1, 1 ) );
}
TextItem.SetColor(Helper.Strings[Index].Color);
DrawItem( Context, TextItem, Context.CursorX, YMovement + Context.CursorY );
Context.CursorX += SizeX;
}
}
Context.CursorY += YMovement;
}
void AGameplayDebuggingHUDComponent::PrintString(FPrintContext& Context, const FColor& InColor, const FString& InString )
{
PrintString( Context, FString::Printf(TEXT("{%s}%s"), *InColor.ToString(), *InString));
}
void AGameplayDebuggingHUDComponent::PrintString(FPrintContext& Context, const FColor& InColor, const FString& InString, float X, float Y )
{
const float OldX = Context.CursorX, OldY = Context.CursorY;
const float OldDX = Context.DefaultX, OldDY = Context.DefaultY;
Context.DefaultX = Context.CursorX = X;
Context.DefaultY = Context.CursorY = Y;
PrintString(Context, InColor, InString);
Context.CursorX = OldX;
Context.CursorY = OldY;
Context.DefaultX = OldDX;
Context.DefaultY = OldDY;
}
void AGameplayDebuggingHUDComponent::CalulateStringSize(const AGameplayDebuggingHUDComponent::FPrintContext& DefaultContext, UFont* Font, const FString& InString, float& OutX, float& OutY )
{
FString String = InString;
const FRegexPattern ElementRegexPattern(TEXT("\\{.*?\\}"));
FRegexMatcher ElementRegexMatcher(ElementRegexPattern, String);
while (ElementRegexMatcher.FindNext())
{
int32 AttributeListBegin = ElementRegexMatcher.GetCaptureGroupBeginning(0);
int32 AttributeListEnd = ElementRegexMatcher.GetCaptureGroupEnding(0);
String.RemoveAt(AttributeListBegin, AttributeListEnd - AttributeListBegin);
ElementRegexMatcher = FRegexMatcher(ElementRegexPattern, String);
}
OutX = OutY = 0;
if (DefaultContext.Canvas != NULL)
{
DefaultContext.Canvas->StrLen(Font != NULL ? Font : DefaultContext.Font, String, OutX, OutY);
}
}
void AGameplayDebuggingHUDComponent::CalulateTextSize(const AGameplayDebuggingHUDComponent::FPrintContext& DefaultContext, UFont* Font, const FText& InText, float& OutX, float& OutY)
{
CalulateStringSize(DefaultContext, Font, InText.ToString(), OutX, OutY);
}
FVector AGameplayDebuggingHUDComponent::ProjectLocation(const AGameplayDebuggingHUDComponent::FPrintContext& Context, const FVector& Location)
{
if (Context.Canvas != NULL)
{
return Context.Canvas->Project(Location);
}
return FVector();
}
void AGameplayDebuggingHUDComponent::DrawItem(const AGameplayDebuggingHUDComponent::FPrintContext& DefaultContext, class FCanvasItem& Item, float X, float Y )
{
if(DefaultContext.Canvas)
{
DefaultContext.Canvas->DrawItem( Item, FVector2D( X, Y ) );
}
}
void AGameplayDebuggingHUDComponent::DrawIcon(const AGameplayDebuggingHUDComponent::FPrintContext& DefaultContext, const FColor& InColor, const FCanvasIcon& Icon, float X, float Y, float Scale)
{
if(DefaultContext.Canvas)
{
DefaultContext.Canvas->SetDrawColor(InColor);
DefaultContext.Canvas->DrawIcon(Icon, X, Y, Scale);
}
}